Gyration
Gyration Gy*ra"tion (j[-i]*r[=a]"sh[u^]n), n. 1. The act of turning or whirling, as around a fixed center; a circular or spiral motion; motion about an axis; rotation; revolution. [1913 Webster]

The gyrations of an ascending balloon. --De Quincey. [1913 Webster]

If a burning coal be nimbly moved round in a circle, with gyrations continually repeated, the whole circle will appear like fire. --Sir I. Newton. [1913 Webster]

2. (Zo["o]l.) One of the whorls of a spiral univalve shell. [1913 Webster]

{Center of gyration}. (Mech.) See under {Center}.

{Radius of gyration}, the distance between the axis of a rotating body and its center of gyration. --Rankine. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • Gyration — is another term for rotation. A center of actual rotation as well as rotational symmetry may be called gyration center, gyration point, or rotocenter. See also radius of gyration. Other terms with the gyro root for rotation are gyroscope and… …   Wikipedia

  • Gyration — (v lat.), 1) das Drehen im Kreise; 2) Schwindel; 3) Drehsucht; 4) das Umhertragen eines neu gewählten Fürsten auf einem Schilde …   Pierer's Universal-Lexikon

  • Gyration — Gyration, lat. deutsch, Drehsucht, Schwindel …   Herders Conversations-Lexikon

  • Gyration — Gyration,   die Bewegung eines elektrisch geladenen Teilchens in einem konstanten Magnetfeld unter dem Einfluss der Lorentz Kraft. Der Radius der Kreisbahn des betreffenden Teilchens wird als Gyrationsradius bezeichnet; er ergibt sich zu rG = mv …   Universal-Lexikon

  • gyration — 1610s, noun of action from L.L. gyratum, pp. of gyrare, from L. gyrus circle (see GYRE (Cf. gyre)) …   Etymology dictionary

  • gyration — [jī rā′shən] n. 1. the act of gyrating; circular or spiral motion 2. something gyrate, as a whorl …   English World dictionary

  • gyration — gyrational, adj. /juy ray sheuhn/, n. the act of gyrating; circular or spiral motion; revolution; rotation; whirling. [1605 15; < LL gyration (s. of gyratio). See GYRATE, ION] * * * …   Universalium

  • gyration — gyrate ► VERB 1) move in a circle or spiral. 2) dance in a wild or suggestive manner. DERIVATIVES gyration noun gyrator noun. ORIGIN Latin gyrare revolve , from Greek guros a ring …   English terms dictionary

  • gyration — noun Date: 1615 1. an act or instance of gyrating 2. something (as a coil of a shell) that is gyrate • gyrational adjective …   New Collegiate Dictionary

  • gyration — n. [L. gyrare, to turn about] 1. Rotating or whirling movement. 2. (MOLLUSCA) One of the whorls on a spiral shell …   Dictionary of invertebrate zoology

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